Retired FBI agent Robert Levinson was arrested in Iran in 2007 and is now the longest-held hostage in American history. Now, a new investigation shows he was working for the CIA—and went on a rogue mission.

How did Johannes Vermeer manage to create such photo-realistic paintings in the 17th Century—and did he get help? A Texas tech company founder named Tim Jenison decided to try to find out if Vermeer could have used a camera-like contraption to create his art, by recreating one of the paintings himself.